A Citywide Manhunt

Rookie police officer Chen Chi accidentally shoots and kills criminal Hou Sanqiang, causing Xiao Ning's daughter, Xiao Yudi, to lose her chance at a transplant and ultimately die. Chen Chi is fired from the police force, while Xiao Ning's relationship falls apart and her family is shattered. Ten years later, Chen Chi's son develops leukemia. Faced with enormous medical bills and the need to find a transplant match, he has no choice but to ask someone for help, only to discover that the person he is asking is Xiao Ning. Meanwhile, Chen Chi becomes embroiled in a murder case. Faced with suspicion from his former colleagues and his son's misunderstanding, he feels as if he has fallen into a trap...